/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2023 DBeaver Corp and others
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jkiss.dbeaver.model.impl.struct;

import org.jkiss.code.NotNull;
import org.jkiss.code.Nullable;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.model.DBPDataSource;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
import org.jkiss.dbeaver.model.struct.DBSEntity;
import org.jkiss.dbeaver.model.struct.DBSEntityAssociation;
import org.jkiss.dbeaver.model.struct.DBSEntityAttribute;
import org.jkiss.dbeaver.model.struct.DBSEntityConstraint;

import java.util.Collection;

/**
 * AbstractStructDataType
 */
public abstract class AbstractStructDataType<DS extends DBPDataSource> extends AbstractDataType<DS> implements DBSEntity
{
    public AbstractStructDataType(DS dataSource) {
        super(dataSource);
    }

    @Nullable
    @Override
    public DBSEntityAttribute getAttribute(@NotNull DBRProgressMonitor monitor, @NotNull String attributeName) throws DBException {
        Collection<? extends DBSEntityAttribute> attributes = getAttributes(monitor);
        if (attributes != null && !attributes.isEmpty()) {
            for (DBSEntityAttribute attr : attributes) {
                if (attr.getName().equals(attributeName)) {
                    return attr;
                }
            }
        }
        return null;
    }

    /**
     * Doesn't make sense here
     */
    @Nullable
    @Override
    public Collection<? extends DBSEntityAssociation> getReferences(@NotNull DBRProgressMonitor monitor) throws DBException {
        return null;
    }

    /**
     * Doesn't make sense here
     */
    @Nullable
    @Override
    public Collection<? extends DBSEntityAssociation> getAssociations(@NotNull DBRProgressMonitor monitor) throws DBException {
        return null;
    }

    /**
     * Doesn't make sense here
     */
    @Nullable
    @Override
    public Collection<? extends DBSEntityConstraint> getConstraints(@NotNull DBRProgressMonitor monitor) throws DBException {
        return null;
    }

}
